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Our company has been able to emerged as one of the renowned manufacturers and exporters of Thermax Plant. In order to meet the client’s demand, we are manufacturing vast range of plant. Highly demanded in various steel industries, this plant is available in varied technical specifications for our clients. Offered Thermax Plant is widely recognized in the market for its distinctive features such as robust construction, less power consumption, and easy installation.
There are various route to increase the strength of steel used for construction. One of the oldest route is the CTD Bar route. Here the bars are cold twisted after rolling. Another method is the Micro Alloying of steel to get high strength.
|TMT Quenched & Tempered Ribbed Bars|
of Grade Fe 415 & Fe 500 confirming to IS 1786
|Thus, we have Quenched & Tempered TMT Bars having the following Advantages over CTD Bars|
CHEMISTRY for Quality TMT
|Billet / Ingot CHEMISTRY:|
|One of the major factor that effect that effect the Quality of TMT is CHEMISTRY. The word GIGO aptly describes the process:|
|Gold in Gold out|
Garbage in Garbage Out
|To get good quality TMT ensure that Carbon Equivalent is around 0.38 For our purpose this formula holds good.|
|Carbon Equivalent Ce = Carbon C + Manganese Mn/6. |
Ce = C+ Mn/6.
|To get good weld - able quality TMT keep Carbon between 0.20 to 0.25 |
The implication is
|For Carbon 0.20 Mn = 1.08|
|0.38 = 0.20 + Mn/6|
Mn = [0.38 - 0.20] X 6 = 1.08
|For Carbon 0.25 Mn = 1.78|
|0.38 = 0.25 + Mn/6|
Mn = [0.38 - 0.25] X 6 = 0.78
|With this composition we can assure good Quality TMT which has high strength with High Ductility.|
|Higher the Carbon, Lower the elongation |
with same Carbon Equivalent Ce
|TMT Process is a Quench & Temper Rolling process. |
For prefabrication of TMT bars, lower Ce helps. With high Ce the weld - ability of TMT is effected.
Ce above 0.43 is not advisable for weld-able TMT bars.
In -order to get Premium Quality TMT bars with High Strength and High Ductility, Maintain Ce = 0.38 with the following chemistry for TMT bars.
|It is very important to maintain all the elements at the correct percentage. |
Any dilution leads to Lowering of Quality and subsequent bar rejection.